Set the alarm clock for 11:57 am

 

Leave this tab open — the alarm only rings while the tab stays open.

The alarm goes off in: ::
 
 

Going to bed for a 11:57 am alarm

  • Asleep by 2:42 am — 6 full sleep cycles, about 9 hours
  • Asleep by 4:12 am — 5 full sleep cycles, about 7 hours
  • Asleep by 5:42 am — 4 full sleep cycles, about 6 hours

A sleep cycle runs about 90 minutes, and most people take around 15 minutes to drop off. Waking at the end of a cycle feels easier than waking in the middle of one.

11:57 am across the country

Sydney11:57 am
Brisbane11:57 am
Adelaide11:27 am
Perth9:57 am
Darwin11:27 am

Times are worked out live in your browser, so daylight saving is already accounted for.

Online alarm clock for 11:57 am

While you wait for the scheduled apartment inspection, watching the clock can keep those final minutes from slipping away. Set the alarm for 11:57 am so you have a clear cue to gather your notes, check the address and be ready for the agent. With the appointment close to 12:00 pm, there is still enough time to list one last question about strata records, parking or afternoon sun.

Keeping the alarm page in the background lets you open your map, messages or inspection checklist while the countdown continues. Some browsers may slow an inactive page, so return to it briefly before the set time and confirm the alarm is still running with the volume audible. Do not rely on this apartment inspection reminder if the browser is closed or the phone goes to sleep, because the sound may never play and you could miss the appointed moment.

Arriving just before midday can mean stepping from humid outdoor air into a cooler flat, especially in coastal Australian cities. Pause near the entrance and notice whether closed rooms feel stuffy or carry a damp smell rather than judging the air only beside an open window. If the morning has been muggy, check bathroom corners, wardrobes and window frames, then ask how the home is ventilated during wetter months.

Common questions

Why use a browser alarm instead of my phone's built-in one?

Mainly for reliability against silent mode, do-not-disturb, or a phone left charging out of earshot. It's a useful backup or a desk-based alternative, though it depends on this tab staying open rather than running in the background of your phone.

Is there a cost to use this?

No, it's free, with no sign-up and no limit on how many times you set it. It just needs the tab left open until the time you've chosen arrives.

Will the alarm still ring if I close the browser tab?

No. The alarm only runs while this tab stays open — closing it, or closing the browser entirely, stops the countdown before it can ring. Keep the tab open in the background if you need it to go off later.

Does the alarm work if my laptop goes to sleep?

Not reliably. If the device sleeps or the screen locks, the browser tab pauses along with it, so the alarm may not fire on time or at all. Adjust your power settings if you're relying on this over a longer stretch.